157 



Carbon dioxide assimilation 



Butterfly (Schmetterling, Vlinder), I. 



6, 58. 

 Buttermilk, flora, II. 152; III. 320; IV. 



289-292; V. 259. 

 Butter Sarcina, IV. 284. 

 Biityl alcohol: fermentation, II. 152, 



279; III. 15, 63-72, 77, 82, 85, 88, 89, 



90-101, 316; IV. 143, 148, 150; V. 



277; VI. 3, 10, 73. 

 Butyl alcohol bacteria: see Granulohac- 



ter butylicum. 

 Butyric acid: dissimilation, III. 13; IV. 



110-113. 143, 145, 152, 257, 258; V. 



16; VI. 21. 



— fermentation, III. 63-67-72, 73, 84, 

 315, 316; IV. 110, 143. 153, 154, 228, 

 257, 280, 353, 355; V. 53, 90-92, 277; 

 VI. 3. 8, 10, 22, 73. 



— fermentation in presence of nitrate, 

 IV. 353. 355. 



— fermentation of bacterial slime, V. 

 53, 90-92. 



Butyric acid bacteria: see Granulobacter, 

 G. saccharobutyricum, G. Pastorianum, 

 G. lactobutyricum. 

 Buzgends, I. 22. 



Cabbage (Kohl, Kool), I. 290. 299, 304, 



309. 311. 316. 317*. 370; V. 52. 

 Calcium: influence on Azotobacter, IV. 



109-111, 113, 122, 143. 298-300, 302; 



VI. 3-5-6-8. 21. 23. 

 Calcium carbonate: agar tube method. 



demonstration of acid formation by 



anaerobic bacteria. III. 321. 

 - — pearl formation by Azotobacter and 



Spirillum lipoferum, VI. 23, 24. 



— plate method, III. 1-5, 186, 189-190; 

 V. 185; VI. 71. 



— plate method, acid production. de- 

 monstration. III. 2. 3. 186. 



— plate method, alkali production, III. 4. 



— production by Bacillus cyaneoftiscus, 

 II. 331, 358*. ' 



— production by Urea bacteria (Irisa- 

 tion), IV. 80, 83-85, 91-93. 96, 102; 

 V. 246, 247; VI. 20. 



— sulphur plate method. V. 281-288. 

 Calcium lactate bacteria 11.344; III. 15, 



66. 67. 

 Calcofibrine, II. 335. 

 Calcoglobine, II. 335, 350. 

 Callus: see Cicatrisation. 



Calyces, formation, I. 293, 312-317. 

 Cameleon reaction, IV. 197. 

 Canalwater, biology, III. 102, 111-117; 



IV. 24-36, 53, 123, 199, 204. 



Cane sugar: dissimilation, II. 216, 264, 

 279. 296, 297, 313. 316; II L 12, 14, 29. 

 31, 61, 77, 131, 133. 182-184. 248. 259. 

 265. 274-277, 285; IV. 21, 28. 60. 72. 

 113, 152, 279, 314, 315. 354; V. 17, 18, 

 91. 107, 260, 273; VI. 4. 11, 13, 62, 69, 

 73, 78. 



— production of bacterial slime from, 

 III. 274, 275; IV. 114, 119; V. 89-93- 

 95-110, 237-239, 254-256. VI. 6, 13. 



— purification, III. 13-14. 



— test on, V. 93. 



Canker: apple and pear, inoculation ex- 

 periments, I. 322. 



— wooUy aphis, on apple, I. 34, 35. 

 Caprification, I. 20. 



Capsule, VI. 13. 



Capucine: see Indian cress. 



Carbohydrasis : see Enzymes, amylolytic. 



Carbon compounds, organic, from the 

 atmosphere, assimilated by Bacillus 

 oligocarbophilus. IV. 180-189, 190-191, 

 242. 379; V. 182, 190, 191, 268. 



Carbon cycle in nature, IV. 250-251-252. 



Carbon dioxide assimilation: chemosyn- 

 thetic, by denitrifying bacteria, IV. 

 207-211, 242, 245-248; V. 281-288. 



— chemosynthetic, energy balance, IV. 

 206, 208, 210, 243, 246; V. 282. 



— chemosynthetic, hydrogeji oxidation 

 as an energy source, IV. 379; V. 137, 

 228, 231. 



— chemosynthetic. influence of culti- 

 vation in organic media, V. 281-288. 



— chemosynthetic, in relation to nitrifi- 

 cation. III. 238; IV. 180. 205. 206. 379; 



V. 179. 185, 188. 191. 



— chemosynthetic, nitrous oxide oxida- 

 tion as an energy source, IV. 380, 381, 

 383. 



— chemosynthetic, sulphur and sulphur 

 compounds as energy sources, IV. 205- 

 211, 242-248, 379; V. 135-137, 228. 

 231. 281-288. 



— chemosynthetic. Winogradsky's 

 theory. IV. 180, 205, 206, 379. 



— chemosynthetic, yield of organic com- 

 pounds, IV. 207, 231. 244, 245. V. 

 282-283. 



— photosynthetic, by a chloroplast sus- 

 pension. IV. 129, 130; V. 228. 



